Herbert Zettl is a professor emeritus of the Broadcast and Electronic Communication Arts Department at San Francisco State University, where he headed the Institute of International Media Communication and received the California State Legislature Distinguished Teaching Award and the Broadcast Education Association's Distinguished Education Service Award. Prior to joining the SFSU faculty, Zettl worked at KOVR (Stockton-Sacramento) and as a producer-director at KPIX, the CBS affiliate in San Francisco, where he participated in a variety of CBS and NBC network television productions. Because of...